Yes, but you have to be well informed and know what you are getting into.

If all the right steps are followed and the research is done, it is quite possible to make a living from your sales site.

I've been on Shopify for a month and managed to sell over $11,000 worth of merchandise.

You have to hang on, be positive and above all understand how everything works!

Should I rather start on Shopify or in a blog?The two things have absolutely nothing to do with each other.
Shopify is for making an e-commerce site and a blog an information site.
It all depends on what your goal and desires are. Both can be very interesting.
If you want to start Dropshipping with Shopify, you can browse this blog.
How to start dropshipping? - Entrepreneur-Freedom
How to create a Shopify store?If you've looked at any e-commerce software, chances are you've come across Shopify. Since Shopify is the preferred eCommerce software for many businesses, over 600,000 businesses in 175 countries in fact, this is something you should seriously consider for your own business. Shopify is a great cloud-based choice with low start-up costs and an easy-to-use interface from which you can promote, sell, and ship your products.
I mean, with Shopify, it's possible to quickly run a full online store for as little as $9/month! It's really awesome!
However, when it comes to starting a store with Shopify, it can seem a bit overwhelming. Shopify does its best to make the setup process easy, but setting up and running an eCommerce store takes a lot of thought and work.

By all means, YES! I wouldn't say that everyone who embarks on the journey of Shopify is sure to end up successful but if you show outstanding skill, have excellent marketing strategies, and everything of the sort, it won't be long before you don't need a job anymore. 
As a matter of fact, two of my friends launched their brands on Shopify when they were both working as cashiers in renowned stores, although within the time span of 4 months, they were earning twice as much as their usual salaries. 

With Shopify, you may make money in a variety of ways. Clothing, consultancy, art, and many other items and services are available for sale. There are a few various ways to make money using Shopify, whether you have an existing small business that you want to bring online or you're wanting to start one from scratch.

The most important thing is to understand how to make money on Shopify by utilizing its products and services, as well as ideas for growing your business. For example, before you set up your Shopify store, you should be aware that there are various alternative ways to monetize the platform.

1. Create an online store. 
2. Create a dropshipping business.
3. Join their affiliate program.
4. Make money using social media.  

There is a slew of Shopify best practices to follow to keep generating leads and converting them into paying clients.

I guess creating an e-commerce site on shopify can't make enough money to lived because the margin in that place is quite low and in order to earn more money you would have to sell more and more goods,but if you have that capability to sell more and more goods I would recommend you to go for it.

Unfortunately, there is no one answer to this question. Whether or not creating an e-commerce site on Shopify can make you enough money to live depends on a number of factors, such as the products you are selling, the amount of time and effort you put into marketing and advertising, and how successful you are in setting up your shop. However, with hard work and dedication, it is definitely possible to make a living with an e-commerce site on Shopify.